Lines Matching refs:pcie
61 struct rcar_pcie pcie; member
73 static u32 rcar_read_conf(struct rcar_pcie *pcie, int where) in rcar_read_conf() argument
76 u32 val = rcar_pci_read_reg(pcie, where & ~3); in rcar_read_conf()
86 struct rcar_pcie *pcie = &host->pcie; in rcar_pcie_config_access() local
114 *data = rcar_pci_read_reg(pcie, PCICONF(index)); in rcar_pcie_config_access()
116 rcar_pci_write_reg(pcie, *data, PCICONF(index)); in rcar_pcie_config_access()
122 rcar_pci_write_reg(pcie, rcar_pci_read_reg(pcie, PCIEERRFR), PCIEERRFR); in rcar_pcie_config_access()
125 rcar_pci_write_reg(pcie, PCIE_CONF_BUS(bus->number) | in rcar_pcie_config_access()
130 rcar_pci_write_reg(pcie, CONFIG_SEND_ENABLE | TYPE0, PCIECCTLR); in rcar_pcie_config_access()
132 rcar_pci_write_reg(pcie, CONFIG_SEND_ENABLE | TYPE1, PCIECCTLR); in rcar_pcie_config_access()
135 if (rcar_pci_read_reg(pcie, PCIEERRFR) & UNSUPPORTED_REQUEST) in rcar_pcie_config_access()
139 if (rcar_read_conf(pcie, RCONF(PCI_STATUS)) & in rcar_pcie_config_access()
144 *data = rcar_pci_read_reg(pcie, PCIECDR); in rcar_pcie_config_access()
146 rcar_pci_write_reg(pcie, *data, PCIECDR); in rcar_pcie_config_access()
149 rcar_pci_write_reg(pcie, 0, PCIECCTLR); in rcar_pcie_config_access()
217 static void rcar_pcie_force_speedup(struct rcar_pcie *pcie) in rcar_pcie_force_speedup() argument
219 struct device *dev = pcie->dev; in rcar_pcie_force_speedup()
223 if ((rcar_pci_read_reg(pcie, MACS2R) & LINK_SPEED) != LINK_SPEED_5_0GTS) in rcar_pcie_force_speedup()
226 if (rcar_pci_read_reg(pcie, MACCTLR) & SPEED_CHANGE) { in rcar_pcie_force_speedup()
231 macsr = rcar_pci_read_reg(pcie, MACSR); in rcar_pcie_force_speedup()
236 rcar_rmw32(pcie, EXPCAP(12), PCI_EXP_LNKSTA_CLS, in rcar_pcie_force_speedup()
240 rcar_rmw32(pcie, MACCGSPSETR, SPCNGRSN, 0); in rcar_pcie_force_speedup()
244 rcar_pci_write_reg(pcie, macsr, MACSR); in rcar_pcie_force_speedup()
247 rcar_rmw32(pcie, MACCTLR, SPEED_CHANGE, SPEED_CHANGE); in rcar_pcie_force_speedup()
250 macsr = rcar_pci_read_reg(pcie, MACSR); in rcar_pcie_force_speedup()
253 rcar_pci_write_reg(pcie, macsr, MACSR); in rcar_pcie_force_speedup()
273 struct rcar_pcie *pcie = &host->pcie; in rcar_pcie_hw_enable() local
280 rcar_pcie_force_speedup(pcie); in rcar_pcie_hw_enable()
292 rcar_pcie_set_outbound(pcie, i, win); in rcar_pcie_hw_enable()
313 static int phy_wait_for_ack(struct rcar_pcie *pcie) in phy_wait_for_ack() argument
315 struct device *dev = pcie->dev; in phy_wait_for_ack()
319 if (rcar_pci_read_reg(pcie, H1_PCIEPHYADRR) & PHY_ACK) in phy_wait_for_ack()
330 static void phy_write_reg(struct rcar_pcie *pcie, in phy_write_reg() argument
342 rcar_pci_write_reg(pcie, data, H1_PCIEPHYDOUTR); in phy_write_reg()
343 rcar_pci_write_reg(pcie, phyaddr, H1_PCIEPHYADRR); in phy_write_reg()
346 phy_wait_for_ack(pcie); in phy_write_reg()
349 rcar_pci_write_reg(pcie, 0, H1_PCIEPHYDOUTR); in phy_write_reg()
350 rcar_pci_write_reg(pcie, 0, H1_PCIEPHYADRR); in phy_write_reg()
353 phy_wait_for_ack(pcie); in phy_write_reg()
356 static int rcar_pcie_hw_init(struct rcar_pcie *pcie) in rcar_pcie_hw_init() argument
361 rcar_pci_write_reg(pcie, 0, PCIETCTLR); in rcar_pcie_hw_init()
364 rcar_pci_write_reg(pcie, 1, PCIEMSR); in rcar_pcie_hw_init()
366 err = rcar_pcie_wait_for_phyrdy(pcie); in rcar_pcie_hw_init()
375 rcar_pci_write_reg(pcie, PCI_CLASS_BRIDGE_PCI << 16, IDSETR1); in rcar_pcie_hw_init()
381 rcar_rmw32(pcie, RCONF(PCI_SECONDARY_BUS), 0xff, 1); in rcar_pcie_hw_init()
382 rcar_rmw32(pcie, RCONF(PCI_SUBORDINATE_BUS), 0xff, 1); in rcar_pcie_hw_init()
385 rcar_rmw32(pcie, REXPCAP(0), 0xff, PCI_CAP_ID_EXP); in rcar_pcie_hw_init()
386 rcar_rmw32(pcie, REXPCAP(PCI_EXP_FLAGS), in rcar_pcie_hw_init()
388 rcar_rmw32(pcie, RCONF(PCI_HEADER_TYPE), 0x7f, in rcar_pcie_hw_init()
392 rcar_rmw32(pcie, REXPCAP(PCI_EXP_LNKCAP), PCI_EXP_LNKCAP_DLLLARC, in rcar_pcie_hw_init()
396 rcar_rmw32(pcie, REXPCAP(PCI_EXP_SLTCAP), PCI_EXP_SLTCAP_PSN, 0); in rcar_pcie_hw_init()
399 rcar_rmw32(pcie, TLCTLR + 1, 0x3f, 50); in rcar_pcie_hw_init()
402 rcar_rmw32(pcie, RVCCAP(0), 0xfff00000, 0); in rcar_pcie_hw_init()
406 rcar_pci_write_reg(pcie, 0x801f0000, PCIEMSITXR); in rcar_pcie_hw_init()
408 rcar_pci_write_reg(pcie, MACCTLR_INIT_VAL, MACCTLR); in rcar_pcie_hw_init()
411 rcar_pci_write_reg(pcie, CFINIT, PCIETCTLR); in rcar_pcie_hw_init()
414 err = rcar_pcie_wait_for_dl(pcie); in rcar_pcie_hw_init()
419 rcar_rmw32(pcie, PCIEINTXR, 0, 0xF << 8); in rcar_pcie_hw_init()
428 struct rcar_pcie *pcie = &host->pcie; in rcar_pcie_phy_init_h1() local
431 phy_write_reg(pcie, 0, 0x42, 0x1, 0x0EC34191); in rcar_pcie_phy_init_h1()
432 phy_write_reg(pcie, 1, 0x42, 0x1, 0x0EC34180); in rcar_pcie_phy_init_h1()
433 phy_write_reg(pcie, 0, 0x43, 0x1, 0x00210188); in rcar_pcie_phy_init_h1()
434 phy_write_reg(pcie, 1, 0x43, 0x1, 0x00210188); in rcar_pcie_phy_init_h1()
435 phy_write_reg(pcie, 0, 0x44, 0x1, 0x015C0014); in rcar_pcie_phy_init_h1()
436 phy_write_reg(pcie, 1, 0x44, 0x1, 0x015C0014); in rcar_pcie_phy_init_h1()
437 phy_write_reg(pcie, 1, 0x4C, 0x1, 0x786174A0); in rcar_pcie_phy_init_h1()
438 phy_write_reg(pcie, 1, 0x4D, 0x1, 0x048000BB); in rcar_pcie_phy_init_h1()
439 phy_write_reg(pcie, 0, 0x51, 0x1, 0x079EC062); in rcar_pcie_phy_init_h1()
440 phy_write_reg(pcie, 0, 0x52, 0x1, 0x20000000); in rcar_pcie_phy_init_h1()
441 phy_write_reg(pcie, 1, 0x52, 0x1, 0x20000000); in rcar_pcie_phy_init_h1()
442 phy_write_reg(pcie, 1, 0x56, 0x1, 0x00003806); in rcar_pcie_phy_init_h1()
444 phy_write_reg(pcie, 0, 0x60, 0x1, 0x004B03A5); in rcar_pcie_phy_init_h1()
445 phy_write_reg(pcie, 0, 0x64, 0x1, 0x3F0F1F0F); in rcar_pcie_phy_init_h1()
446 phy_write_reg(pcie, 0, 0x66, 0x1, 0x00008000); in rcar_pcie_phy_init_h1()
453 struct rcar_pcie *pcie = &host->pcie; in rcar_pcie_phy_init_gen2() local
459 rcar_pci_write_reg(pcie, 0x000f0030, GEN2_PCIEPHYADDR); in rcar_pcie_phy_init_gen2()
460 rcar_pci_write_reg(pcie, 0x00381203, GEN2_PCIEPHYDATA); in rcar_pcie_phy_init_gen2()
461 rcar_pci_write_reg(pcie, 0x00000001, GEN2_PCIEPHYCTRL); in rcar_pcie_phy_init_gen2()
462 rcar_pci_write_reg(pcie, 0x00000006, GEN2_PCIEPHYCTRL); in rcar_pcie_phy_init_gen2()
464 rcar_pci_write_reg(pcie, 0x000f0054, GEN2_PCIEPHYADDR); in rcar_pcie_phy_init_gen2()
466 rcar_pci_write_reg(pcie, 0x13802007, GEN2_PCIEPHYDATA); in rcar_pcie_phy_init_gen2()
467 rcar_pci_write_reg(pcie, 0x00000001, GEN2_PCIEPHYCTRL); in rcar_pcie_phy_init_gen2()
468 rcar_pci_write_reg(pcie, 0x00000006, GEN2_PCIEPHYCTRL); in rcar_pcie_phy_init_gen2()
491 struct rcar_pcie *pcie = &host->pcie; in rcar_pcie_msi_irq() local
493 struct device *dev = pcie->dev; in rcar_pcie_msi_irq()
496 reg = rcar_pci_read_reg(pcie, PCIEMSIFR); in rcar_pcie_msi_irq()
510 rcar_pci_write_reg(pcie, BIT(index), PCIEMSIFR); in rcar_pcie_msi_irq()
514 reg = rcar_pci_read_reg(pcie, PCIEMSIFR); in rcar_pcie_msi_irq()
547 struct rcar_pcie *pcie = &msi_to_host(msi)->pcie; in rcar_msi_irq_ack() local
550 rcar_pci_write_reg(pcie, BIT(d->hwirq), PCIEMSIFR); in rcar_msi_irq_ack()
556 struct rcar_pcie *pcie = &msi_to_host(msi)->pcie; in rcar_msi_irq_mask() local
561 value = rcar_pci_read_reg(pcie, PCIEMSIIER); in rcar_msi_irq_mask()
563 rcar_pci_write_reg(pcie, value, PCIEMSIIER); in rcar_msi_irq_mask()
570 struct rcar_pcie *pcie = &msi_to_host(msi)->pcie; in rcar_msi_irq_unmask() local
575 value = rcar_pci_read_reg(pcie, PCIEMSIIER); in rcar_msi_irq_unmask()
577 rcar_pci_write_reg(pcie, value, PCIEMSIIER); in rcar_msi_irq_unmask()
589 struct rcar_pcie *pcie = &msi_to_host(msi)->pcie; in rcar_compose_msi_msg() local
591 msg->address_lo = rcar_pci_read_reg(pcie, PCIEMSIALR) & ~MSIFE; in rcar_compose_msi_msg()
592 msg->address_hi = rcar_pci_read_reg(pcie, PCIEMSIAUR); in rcar_compose_msi_msg()
655 struct rcar_pcie *pcie = &msi_to_host(msi)->pcie; in rcar_allocate_domains() local
656 struct fwnode_handle *fwnode = dev_fwnode(pcie->dev); in rcar_allocate_domains()
662 dev_err(pcie->dev, "failed to create IRQ domain\n"); in rcar_allocate_domains()
669 dev_err(pcie->dev, "failed to create MSI domain\n"); in rcar_allocate_domains()
687 struct rcar_pcie *pcie = &host->pcie; in rcar_pcie_enable_msi() local
688 struct device *dev = pcie->dev; in rcar_pcie_enable_msi()
722 rcar_pci_write_reg(pcie, 0, PCIEMSIIER); in rcar_pcie_enable_msi()
728 rcar_pci_write_reg(pcie, lower_32_bits(res.start) | MSIFE, PCIEMSIALR); in rcar_pcie_enable_msi()
729 rcar_pci_write_reg(pcie, upper_32_bits(res.start), PCIEMSIAUR); in rcar_pcie_enable_msi()
740 struct rcar_pcie *pcie = &host->pcie; in rcar_pcie_teardown_msi() local
743 rcar_pci_write_reg(pcie, 0, PCIEMSIIER); in rcar_pcie_teardown_msi()
746 rcar_pci_write_reg(pcie, 0, PCIEMSIALR); in rcar_pcie_teardown_msi()
753 struct rcar_pcie *pcie = &host->pcie; in rcar_pcie_get_resources() local
754 struct device *dev = pcie->dev; in rcar_pcie_get_resources()
766 pcie->base = devm_ioremap_resource(dev, &res); in rcar_pcie_get_resources()
767 if (IS_ERR(pcie->base)) in rcar_pcie_get_resources()
768 return PTR_ERR(pcie->base); in rcar_pcie_get_resources()
794 pcie_base = pcie->base; in rcar_pcie_get_resources()
806 static int rcar_pcie_inbound_ranges(struct rcar_pcie *pcie, in rcar_pcie_inbound_ranges() argument
824 dev_err(pcie->dev, "Failed to map inbound regions!\n"); in rcar_pcie_inbound_ranges()
844 rcar_pcie_set_inbound(pcie, cpu_addr, pci_addr, in rcar_pcie_inbound_ranges()
863 err = rcar_pcie_inbound_ranges(&host->pcie, entry, &index); in rcar_pcie_parse_map_dma_ranges()
891 struct rcar_pcie *pcie; in rcar_pcie_probe() local
901 pcie = &host->pcie; in rcar_pcie_probe()
902 pcie->dev = dev; in rcar_pcie_probe()
905 pm_runtime_enable(pcie->dev); in rcar_pcie_probe()
906 err = pm_runtime_get_sync(pcie->dev); in rcar_pcie_probe()
908 dev_err(pcie->dev, "pm_runtime_get_sync failed\n"); in rcar_pcie_probe()
936 if (rcar_pcie_hw_init(pcie)) { in rcar_pcie_probe()
942 data = rcar_pci_read_reg(pcie, MACSR); in rcar_pcie_probe()
988 struct rcar_pcie *pcie = &host->pcie; in rcar_pcie_resume() local
1003 data = rcar_pci_read_reg(pcie, MACSR); in rcar_pcie_resume()
1012 rcar_pci_write_reg(pcie, upper_32_bits(res.start), PCIEMSIAUR); in rcar_pcie_resume()
1013 rcar_pci_write_reg(pcie, lower_32_bits(res.start) | MSIFE, PCIEMSIALR); in rcar_pcie_resume()
1016 rcar_pci_write_reg(pcie, val, PCIEMSIIER); in rcar_pcie_resume()
1027 struct rcar_pcie *pcie = &host->pcie; in rcar_pcie_resume_noirq() local
1029 if (rcar_pci_read_reg(pcie, PMSR) && in rcar_pcie_resume_noirq()
1030 !(rcar_pci_read_reg(pcie, PCIETCTLR) & DL_DOWN)) in rcar_pcie_resume_noirq()
1034 rcar_pci_write_reg(pcie, MACCTLR_INIT_VAL, MACCTLR); in rcar_pcie_resume_noirq()
1035 rcar_pci_write_reg(pcie, CFINIT, PCIETCTLR); in rcar_pcie_resume_noirq()
1036 return rcar_pcie_wait_for_dl(pcie); in rcar_pcie_resume_noirq()